GM MDI need active before use, here is the detailed steps for activation.

1) Please log in the software “TISlogin” , Here is the software link: http://www.mediafire.com/?4sd8co3v9894npk
Run TISlogin – open the file of the top left corner – choose login
Log in user name: 32023105 password：97372601
Or
Log in user name: 1c06241c password：43362823